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Supported or Self Supporting:

Breathable: Any Yes No
Vapour Control Layer: Any Yes No
Air Barrier: Any Yes No

Products  >  Underlay  >  Watergate Plus
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Watergate Plus

Fire Retardant Absorbant Breathable Wall Underlay.  Is a white composite Non-Woven polypropylene, specifically designed as a Wall Underlay behind exterior wall claddings.Watergate Plus offers a high degree of water resistance, with a high level of water vapour permeability.

Key Features

  • Fire Retardant
  • Fully Synthetic
  • Air Barrier
  • Direct Fix Metal Cladding

Advantages

Can be used as a wall Underlay on timber and steel framed buildings with absorbant and non-absorbant wall claddings direct fixed to framing.Can be used a Wall Underlay in a drained cavity.Can be used as an air barrier where walls are not lined (attic spaces, gable ends)Suitable up to and including "very high" Building Wind Zones of NZS 3604Unaffected by LOSP Timber. 

PropertiesUnit
Construction:
Breathable Film / Non-Woven Polyolefin
Basis Weight (g/m²):
112
Roll Sizes (m²):
2740mm x 82, 1370mm x 50, 1370mm x 25
Roll Weight (kg):
9.1, 5.6, 2.8
Flamability (Fl):
≤ 5
Water resistance (mm):
Requirement: 20mm (Wall Underlay)
Pass: Yes
Vapour Permeability (µg/N.s):
> 2.5
Vapour Resistance (MN.s/g):
< 0.5
Requirement: ≤7.0
pH Extract (pH):
Requirement: 5.5-8.0
Pass: Yes
Shrinkage (%):
Requirement: ≤ 2%
Pass: Yes
Air Barrier:
air_barrier
Durability (Years):
50
Max UV Exposure (days):
60
Wind Zone:
Very High
Requirement: Extra Low / Very Low / Low / Medium / High / Very High / Extra High
Duty Classification:
W4
Requirement: W1/W2/W3/W4
Absorbency (g/m²):
> 100
Cavity:
is_cavity
Cladding:
Direct Fix Absorbent Cladding, Direct Fix Non Absorbent Cladding, Direct Fix Metallic Cladding
Breathable:
is_breathable
Vapour Control Layer:
--
Fire Retardant:
fire_retardant
Air Barrier (MN s/m³):
Requirement: ≥0.1
Pass: Yes